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- Dipolar charges are a type of intermolecular force that has attraction between polar molecules. 偶极力是存在于极性分子间的一种分子间力。
- It bases on the weakly intermolecular force that can be described by the structure parameters of solutes. 气液色谱分离是溶质在固定液和载气两相之间的分配行为,由组分与固定液分子间的作用力所决定。
- London forces are a type of intermolecular force that occurs between all molecules whether polar or nonpolar. 色散力则在极性分子及非极性分子间都存在。
- It is proposed that selective intermolecular force can be used as a new parameter for; selecting stationary phase in order to separate the isomer but not the" polarity similarity principle". 本文通过选用十一种具有极性梯度的不同固定液,探讨桂皮酸顺反异构体硅烷醚衍生物分离与选择性分子间引力的关系,并从分子结构的角度来阐述选择相应固定液进行异构体分离的可能性。
- Supramolecular System is formed by the weaker intermolecular force, which is of qreat importance to every sphere of chemistry and exerts a maor influence on the properties of substaces. 超分子是由弱分子间力所形成的体系,而分子间力在化学的各个领域都很重要,对物质的性质有较大的影响。
- The intermolecular force of deformed coal is relatively small, the deformed coal has low strength and high adsorption capacity, and those determine the outbreak of coal-gas outburst. 构造煤分子间的作用力小,决定了构造煤强度低和吸附性能高,从而控制了煤与瓦斯突出灾害的发生;
- Intermolecular forces can be divided into three categories: dipolar forces, London forces, and hydrogen bonds. 分子间力可分为三类:偶极力,色散力及氢键。
- All of the three halogens exist as diatomic molecules, which are held together by van der Waals' forces (intermolecular forces). 这三个卤素均以双原子分子存在,分子间以范德华引力(分子间引力)连在一起。
- The results indicated that coordination occurred between EPU and Gd??3+?,thus ?cross-links? were formed,and intermolecular forces enlarged. 由于存在Gd3+与EPU的配位作用;EPU进一步交联;使分子间作用力进一步增大.
- The changes of intermolecular forces and secondary structure of the rice protein modified by deamidation with acid were studied. 大米蛋白经酸法脱酰胺改性引起分子间作用力和二级结构发生变化。
- The molecular weight of oxygen is greater than nitrogen, oxygen, so relatively large intermolecular forces, boiling point higher than the nitrogen. 氧气的分子量大于氮气,所以氧气分子间力比较大,沸点高于氮气。
- directional intermolecular force 定向分子间力
- The PTA may be by means of actions of its surficial positive charges and intermolecular forces among macromolecules to absorb on the surface of clay grains to prevent clay from hydrating swelling. PTA粘土稳定剂是通过其表面的正电荷和大分子之间的分子间力强烈地吸附在粘土颗粒表面,防止粘土水化膨胀而起作用的。
- And as we mentioned earlier, graphite is a thick, three-dimensional stack of graphene sheets;the sheets are held together by weak, attractive intermolecular forces called van der Waals forces. 前面曾经提过,石墨是由石墨薄膜堆叠而成的三维厚片,而石墨薄膜层则是藉由凡得瓦力这种微弱的分子间引力吸附在一起。
- It is vain to attempt to root out heresy by force. 试图用暴力消除异端邪说是徒劳的。
- Napoleon conquered by the force of an iron will. 拿破仑攻无不克靠的是坚强的意志。
- But they refused to bow to force. 但他们拒不向武力低头。
- I had to use force in opening the door. 我不得不用力开那一扇门。
- The invasion force was annihilated. 侵略军被消灭了。
- When do the new safety rules come into force? 新的安全规则何时生效?